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Explain the cause of Lantharide contract...

Explain the cause of Lantharide contraction.

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UNITED BOOK HOUSE-HARE SCHOOL QUESTION PAPER -EXERCISE
  1. State the Hund’s rule of maximum multiplicity. Wh Fe^(3+) ion is more ...

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  2. If the outer most electron configurationof an element is 3d^7 4S^2, th...

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  3. Explain the cause of Lantharide contraction.

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  4. Arrange the followings in increasing order as directed : C, Be, N, B,...

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  5. Arrange the followings in increasing order as directed : P, F, O, Cs, ...

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  6. Arrange the followings in increasing order as directed : CI2O7, AI2O3,...

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  7. Between NH3 and NF3, which has higher dipole moment value? Draw the st...

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  8. PbCl4 is less stable than SnCl4 while PbCl2 is more stable than SnCl2....

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  9. Write down three abnormal behavious of lithium.

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  10. Discuss the principle for the manufacture of sodium carbonate by Sol...

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  11. Explain : Anhydrous magnesium chloride is prepared by heating MgCl2 . ...

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  12. Arrange the following in order of increasing solubility : CaSO4, BeSO4...

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  13. Balance the equation by ion-electron method : Zn+ NaNO(3) + NaOH to...

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  14. Balance the equation by oxidation Number method: FeS2 + O2 rarr Fe2O3 ...

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  15. Establish the relation between Kp and KC for the reaction.N2(g) + 3H2 ...

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  16. Calcualte the degree of hydrolysis of a decinormal KCN solution at 25^...

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  17. Calcualte the degree of hydrolysis of a decinormal KCN solution at 25^...

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  18. What is buffer capacity? When it is maximum? Deduce the value of pH of...

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  19. Write down the IUPAC name of the following compounds :(CH3)2CH-NH-C2H5...

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  20. Write down the IUPAC name of the following compounds: HC-=C-CH=CH-CH2...

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